Home / 107,190.78-147,930.39-59,446.14

Finding the Fourth Proportional to 107,190.78, 147,930.39 and 59,446.14

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Solution

The fourth proportional to 107,190.78, 147,930.39 and 59,446.14 is: 82,039.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,190.78 : 147,930.39 = 59,446.14 : x
  2. Step 2: Convert to fraction form
    107,190.78/147,930.39 = 59,446.14/x
  3. Step 3: Cross multiply
    107,190.78x = 147,930.39 × 59,446.14
  4. Step 4: Simplify right side
    107,190.78x = 8,793,890,674.19
  5. Step 5: Solve for x
    x = 8,793,890,674.19/107,190.78
  6. Step 6: Final answer
    x = 82,039.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.